Designation:D5275−17StandardTestMethodforFuelInjectorShearStabilityTest(FISST)forPolymerContainingFluids1ThisstandardisissuedunderthefixeddesignationD5275;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthemeasurementofthepercentviscositylossat100°Cofpolymer-containingfluidsusingfuelinjectorshearstabilitytest(FISST)equipment.Theviscositylossreflectspolymerdegradationduetoshearatthenozzle.NOTE1—TestMethodD2603hasbeenusedforsimilarevaluationofthisproperty.Ithasmanyofthesamelimitationsasindicatedinthesignificancestatement.Nodetailedattempthasbeenundertakentocorrelatetheresultsbythesonicandthedieselinjectormethods.NOTE2—ThistestmethodwasoriginallypublishedasProcedureBofTestMethodsD3945.TheFISSTmethodwasmadeaseparatetestmethodaftertestsofaseriesofpolymer-containingfluidsshowedthatProceduresAandBofTestMethodsD3945oftengivedifferentresults.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exception—PSIismentionedinparenthesesforin-strumentsthathaveonlyPSIgauges.Horsepower,HP,islistedinparenthesessincethemotorlabelsdisplaythisvalue.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection7.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D445TestMethodforKinematicViscosityo...
